(19)
(11) EP 0 212 751 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.08.1987 Bulletin 1987/33

(43) Date of publication A2:
04.03.1987 Bulletin 1987/10

(21) Application number: 86201400

(22) Date of filing: 08.08.1986
(84) Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE

(30) Priority: 29.08.1985 IT 2200985

(71) Applicant: FARMACEUTICI FORMENTI S.p.A.
 ()

(72) Inventor:
  • Valenti, Mauro
     ()

   


(54) Process for the microencapsulation of a medicament, medicament so prepared and pharmaceutical compositions comprising it


(57) The present invention relates to a process for the microencapsulation of a medicament by means of at lest one coating agent, characterized in that is comprises the following steps:

a) Dissolution of the coating agent in water, by salifi­cation;

b) Dispersion of the particLes of medicament to be microencap­sulated, first in water, and then into the solution of the salified coating agent according to (a);

c) Addition to the so-obtained suspension of an acidify­ing substance, which causes the precipitation of the coating agent onto the particles of medicament while these are being kept in suspension by stirring, thus microcapsules being formed.

d) Recovery of microcapsules.






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